CONFIG_CPU_V3 is not available for thedefaultarchitecture x86.
Result is shown for architecture nds32
default or selected kernelversion does not have config value CONFIG_CPU_V3.
Result is shown for kernelversion 6.9.9

AndesCore v3 compatible

configname: CONFIG_CPU_V3

minimum CPU type
└─>AndesCore v3 compatible
In linux kernel since version 4.2 (release Date: 2015-08-30)